package com.learn.framework.util;

import java.util.Random;

public class StringUtil {
    public static String getRandomString(int length) { //length表示生成字符串的长度
        String base = "abcdefghijklmnopqrstuvwxyz0123456789";
        Random random = new Random();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < length; i++) {
            int number = random.nextInt(base.length());
            sb.append(base.charAt(number));
        }
        return sb.toString();
    }

    public static Integer[] convertInteger(String[] strings){
        Integer[] num   =   new Integer[strings.length];
        for(int i=0; i<strings.length; i++){
            num[i]=Integer.parseInt(strings[i]);
        }
        return num;
    }
}
